Home / 40,769.52-61,162.92-13,086.96

Finding the Fourth Proportional to 40,769.52, 61,162.92 and 13,086.96

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Solution

The fourth proportional to 40,769.52, 61,162.92 and 13,086.96 is: 19,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.52 : 61,162.92 = 13,086.96 : x
  2. Step 2: Convert to fraction form
    40,769.52/61,162.92 = 13,086.96/x
  3. Step 3: Cross multiply
    40,769.52x = 61,162.92 × 13,086.96
  4. Step 4: Simplify right side
    40,769.52x = 800,436,687.52
  5. Step 5: Solve for x
    x = 800,436,687.52/40,769.52
  6. Step 6: Final answer
    x = 19,633.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.